Home / 76,579.32-114,858.90-26,648.76

Finding the Fourth Proportional to 76,579.32, 114,858.90 and 26,648.76

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Solution

The fourth proportional to 76,579.32, 114,858.90 and 26,648.76 is: 39,969.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,579.32 : 114,858.90 = 26,648.76 : x
  2. Step 2: Convert to fraction form
    76,579.32/114,858.90 = 26,648.76/x
  3. Step 3: Cross multiply
    76,579.32x = 114,858.90 × 26,648.76
  4. Step 4: Simplify right side
    76,579.32x = 3,060,847,259.96
  5. Step 5: Solve for x
    x = 3,060,847,259.96/76,579.32
  6. Step 6: Final answer
    x = 39,969.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.